Ahilyabai Holkar husband Khanderao Holkar was killed in the battle of Kumbher in which year ........

Explanation:

Ahilyabai's husband Khanderao Holkar was killed in the battle of Kumbher in 1754. Twelve years later, her father-in-law, Malhar Rao Holkar, died. A year after that she was crowned as the queen of the Malwa kingdom. She tried to protect her kingdom from plundering invaders. She appointed Tukojirao Holkar as the Chief of Army.